MCQOPTIONS
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| 1. |
Short/intense flame is produced during combustion of gaseous fuel by using |
| A. | high amount/current of combustion air. |
| B. | low amount/current of combustion air. |
| C. | preheated secondary air. |
| D. | very little excess air. |
| Answer» B. low amount/current of combustion air. | |